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Elements and Compounds


25. 

The chemical name for the compound having formula NaOH is

Answer : D. soidum hydroxide

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26. 

The number of isomers in the aromatic compound with the formula C8H10 is

Answer : C. 4

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27. 

The number of isomers in the aromatic compound with the formula C6H8O is

Answer : D. 5

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28. 

The organic compound used for silvering mirrors is

Answer : D. acetaldehyde

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29. 

The compound with a functional group -COOH is called

Answer : C. carboxylic acid

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30. 

petroleum is a

Answer : A. compound

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